June weather forecastWestmont, IL
June
Weather in June
June, the first month of the summer in Westmont, is a warm month, with an average temperature fluctuating between 61.7°F (16.5°C) and 78.3°F (25.7°C).Temperature
Westmont in June shows a temperature shift, moving from an average high of an agreeable 68.9°F (20.5°C) in May to a warm 78.3°F (25.7°C). During June nights, Westmont records an average temperature of 61.7°F (16.5°C).Humidity
In Westmont, the average relative humidity in June is 76%.Rainfall
In Westmont, during June, the rain falls for 14.3 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Westmont, during the entire year, the rain falls for 118.5 days and collects up to 13.74" (349mm) of precipitation.Snowfall
In Westmont, snow does not fall in May through September.Daylight
June has the longest days of the year, with an average of 15h and 12min of daylight.On the first day of the month, sunrise is at 5:19 am and sunset at 8:20 pm. On the last day of June, sunrise is at 5:20 am and sunset at 8:30 pm CDT.
Sunshine
In June, the average sunshine is 9.6h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 in June translates into these instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Westmont, IL
- Average high temperature in June: 78.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in June: 61.7°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in June
Westmont, IL
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
Westmont, IL
- Average wind speed in June: 7.1mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in June
Westmont, IL
- Average humidity in June: 76%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Westmont, IL
- Average rainfall in June: 1.61"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in June
Westmont, IL
- Average rainfall days in June: 14.3 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in June
Westmont, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Westmont, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Westmont, IL
- Average daylight in June: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in June: 9h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in June
Westmont, IL
- Average sunshine days in June: 12.3 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in June
Westmont, IL
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in June
Westmont, IL
- Average cloud cover in June: 35
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in June
Westmont, IL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
